Q. When the backgear is engaged in a backgeared headstock, the spindle speed reduces considerably.

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Q. In continuous chip cutting, the maximum heat is taken by the cutting tool.

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Q. Which of the following statement is correct regarding grinding of high carbon steel?

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Q. The rear teeth of a broach

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Q. High speed steel drills can be operated at about __________ the speed of high carbon steel drills.

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Q. When the end of a tap is tapered for about three or four threads, it is known as a

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Q. Glazing in grinding wheels can be decreased by

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Q. The cutting speed is minimum while machining __________ with a high speed steel tool.

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Q. A process of removing metal by pushing or pulling a cutting tool is called

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Q. The hardness of a grinding wheel is specified by

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Q. Which of the following operations can be performed with milling cutters?

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Q. Crater wear is predominant in

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Q. The method of centreless grinding used to produce taper is

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Q. In a shaper, the length of stroke is increased by

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Q. Carbon tool steels have low-heat and wear-resistance.

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Q. Trepanning is an operation of

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Q. While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is

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Q. The swing diameter over the bed is __________ the height of the centre measured from the bed of the lathe.

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Q. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is

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Q. Down milling is also called

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